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// Copyright 2015 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
#define UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
#include <base/macros.h>
#include "update_engine/dbus_wrapper_interface.h"
namespace chromeos_update_engine {
enum class NetworkConnectionType {
kEthernet,
kWifi,
kWimax,
kBluetooth,
kCellular,
kUnknown
};
enum class NetworkTethering {
kNotDetected,
kSuspected,
kConfirmed,
kUnknown
};
// This class exposes a generic interface to the connection manager
// (e.g FlimFlam, Shill, etc.) to consolidate all connection-related
// logic in update_engine.
class ConnectionManagerInterface {
public:
virtual ~ConnectionManagerInterface() = default;
// Populates |out_type| with the type of the network connection
// that we are currently connected and |out_tethering| with the estimate of
// whether that network is being tethered.
virtual bool GetConnectionProperties(
DBusWrapperInterface* dbus_iface,
NetworkConnectionType* out_type,
NetworkTethering* out_tethering) const = 0;
// Returns true if we're allowed to update the system when we're
// connected to the internet through the given network connection type and the
// given tethering state.
virtual bool IsUpdateAllowedOver(NetworkConnectionType type,
NetworkTethering tethering) const = 0;
protected:
ConnectionManagerInterface() = default;
private:
DISALLOW_COPY_AND_ASSIGN(ConnectionManagerInterface);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
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